Design engineering is becoming a thing. Airbnb has created something amazing - react-sketchapp. This library can generate Sketch artifacts using Javascript and React as a starting point. This article will show you what it is, who this is for, and why it matters.

TechCrunch

Today, Airbnb's design team open sourced its internal library for writing React components that easily render directly to Sketch. Instead of trying to get Sketch to export to code, the Airbnb team spent its time on the opposite - putting the paintbrush in the hands of the engineer.

Publish responsive HTML websites directly from Sketch

Launchpad for Sketch gives designers the power the create live website, directly from Sketch.

You design, we put it on the web.

Recommendations

Ayush Mittal- bro @boombro, Founder RefR ✌

I've recently got Launchpad by Anima and playing around. As they say - "allows you to publish responsive websites directly from Sketch. No need to code. You design, we put it on the web."
Free to use with Launchpad branding

Huge freebie of custom symbols & auto-updating style guides

Symbols & Styleguides for Sketch is massive package of Nested Symbols and Predefined Text-Styles all together with 4 beautiful Auto-Updating Styleguides to keep you up to date with any design change you make!

An official collection of Sketch extensions & plugins

Sketch library for user flows/content maps/annotations

Flowkit is a Sketch library that allows you to quickly build out high-level flows to tell the story of your designs—perfect for presentations and documentation. You have full control over intelligently-named symbols and endpoints, making complex flows a walk in the park.

Recommendations

Matt D. Smith- Design Director, Studio Mds

I'm biased (because I made it) but from a designer's perspective this is my go to tool for mapping out high-level flows. Tons of pre-made components and blocks in a reusable library for Sketch and Figma.